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US6726307B2 - Apparatus and method for protecting printing heads - Google Patents

Apparatus and method for protecting printing heads Download PDF

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Publication number
US6726307B2
US6726307B2 US09982985 US98298501A US6726307B2 US 6726307 B2 US6726307 B2 US 6726307B2 US 09982985 US09982985 US 09982985 US 98298501 A US98298501 A US 98298501A US 6726307 B2 US6726307 B2 US 6726307B2
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US
Grant status
Grant
Patent type
Prior art keywords
print
carrier
cable
head
component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US09982985
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US20020070996A1 (en )
Inventor
David Feiner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett-Packard Industrial Printing Ltd
Original Assignee
Aprion Digital Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/08Sound-deadening, or shock-absorbing stands, supports, cases or pads separate from machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers, thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/36Blanking or long feeds; Feeding to a particular line, e.g. by rotation of platen or feed roller
    • B41J11/42Controlling printing material conveyance for accurate alignment of the printing material with the printhead; Print registering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers, thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/0072Handling wide cut sheets, e.g. using means for enabling or facilitating the conveyance of wide sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/19Ink jet characterised by ink handling for removing air bubbles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/02Framework

Abstract

Apparatus and method for protecting print heads from uncontrolled movement and vibration is provided. The apparatus includes at least one print head, a movable component attachable to a flexible cable carrier, the flexible cable carrier being coupled to at least one print head, and an isolating component attachable to the movable component, for isolating uncontrolled movement and vibration of the flexible cable carrier from the at least one print head.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

The present application claims priority from U.S. provisional application Ser. No. 60/242,141, filed Oct. 23, 2000.

FIELD OF THE INVENTION

The present invention is generally related to apparatus for protecting a print head from a flexible cable carrier with which it is coupled and in particular is related to apparatus for protecting ink-jet printing heads.

BACKGROUND OF THE INVENTION

During printing, for example ink jet printing, the print array heads may be moved along one or more axes to print on to the substrate. Ink is generally supplied to the print heads by an ink delivery system. As the print heads moves, the ink delivery system attached to the print heads travels with the print heads. The ink delivery system may include tubing and hoses for supplying the ink. In addition, the printing system includes cables for data transfer and control information as well as electricity supply cables. Commonly, the tubing, hoses and cables associated with the printing system are enclosed within a cable carrier, which is rigidly attached to the print heads that they move together with the movement of the print heads.

Reference is now made to FIG. 1, which illustrates the print head 12 and cable carrier 14 of a printing system. The cable carrier 14 is rigidly attached to the print head 12 by a plate 16 configured to allow the ink supply tubing and data and electronic cables to pass through to the cable carrier 14. The cable carrier 14 is generally flexible and travels along a support structure 18. The print head 12 is configured to travel on linear bearings 20 by a linear motor (not shown) along the “Y”-axis. As the print head 12 moves along the “Y”-axis, the cable carrier 14 rotates as indicated by arrow 22.

The height of the print head above the substrate may be as small as 2 mm. The weight of the tubing, hoses and cables is generally relatively heavy and causes vibration. Any vibration of the ink delivery system owing to the weight and movement of the tubing and cables, for example, will cause the print head to vibrate because of the rigidity of the attachment between the ink delivery system and the print heads. The vibration may lead to inaccurate, uneven and poor quality printing results.

It would be advantageous to provide an apparatus that overcomes the disadvantages of the prior art.

SUMMARY OF THE INVENTION

Apparatus and method for protecting print heads from unwanted movement and vibration is provided. The apparatus includes at least one print head, a movable component attachable to a flexible cable carrier, the flexible cable carrier being coupled to at least one print head, and an isolating component attachable to the movable component, for isolating uncontrolled movement and vibration of the flexible cable carrier from the at least one print head.

BRIEF DESCRIPTION OF THE DRAWINGS

The subject matter regarded as the invention is particularly pointed out and distinctly claimed in the concluding portion of the specification. The invention, however, both as to organization and method of operation, together with objects, features, and advantages thereof, may best be understood by reference to the following detailed description when read with the accompanying drawings in which:

FIG. 1 is an illusion of the print-head and cable carrier of a prior art printing system;

FIG. 2 is a sectional elevation illustration of a print-bead protecting apparatus constructed and operative according to some embodiments of the present invention; and

FIGS. 2A and 2B are enlarged sectional details of the print-head protecting apparatus.

It will be appreciated that for simplicity and clarity of illustration, elements shown in the figures have not necessarily been drawn to scale. For example, the dimensions of some of the elements may be exaggerated relative to other elements for clarity. Further, where considered appropriate, reference numerals may be repeated among the figures to indicate corresponding or analogous elements.

DETAILED DESCRIPTION OF THE PRESENT INVENTION

In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, and components have not been described in detail so as not to obscure the present invention.

Reference is now made to FIGS. 2, 2A and 2B. FIG. 2 is a sectional elevation illustration of a print head protecting system, generally designated 50, constructed and operative according to some embodiments of the present invention. FIGS. 2A and 2B are enlarged sectional details of part of the print bead protecting apparatus 50.

For exemplary purposes only, the print head protecting apparatus 50 is described with reference to protecting ink jet printing heads from uncontrolled movement and vibration, but, as will be appreciated by those skilled in the art the apparatus is not limited thereto.

The print head protecting apparatus 50 comprises a linear bearing component 52 (FIG. 2B) and a pin connection component 54 (FIG. 2A) which isolate the unwanted movement and vibration of the cable carrier 56 from the print head 58 to which a flexible cable carrier 56 is coupled. Linear bearing component 52 and pin connection component 54 prevent vibration being transferred from flexible cable carrier 56 to the print head 58.

Flexible cable carrier 56 may be any suitable cable carrier, such as the cable carrier system supplied by Igus Inc of E. Providence, Richmond, USA. The flexible cable carrier protects and supports the supply hoses. The flexible cable carrier 56 may be similar to cable carrier 14 of FIG. 1.

The print head protecting apparatus 50 may be part of a ping system, such as a ink-jet printing machine. The print head protecting apparatus 50 also comprises a cable carrier support 60, which supports the cable carrier and is configured to allow the flexible cable carrier 56 to travel along the cable carrier support 60 in the Y-axis in parallel to and together with the movement of the print head 58.

One end 66 of a plate 64 (which may be metal) is suitable attached to cable carrier 56. At the other end 68 of plate 64, a pin 70 is suitable attached. Pin 70 protrudes from the plate 64. Pin connection component 54 comprises a receiver 72, which is suitably attached to print head 58. Receiver 72 is configured to receive pin 70 within an elliptical opening formed therein sad allow the pin 70 freedom of movement along all axes including the “Z”-axis.

In an alternative embodiment, pin 70 may be suitably ached to print head 58 and receiver 72 may be suitably attached to plate 64.

Linear beating component 52 may be a linear bearing track known in the art, which comprises a generally “U”-channel 74 suitably attached to plate 64 and a track 76 suitably attached to cable carrier support 60. Channel 74 moves along the longitudinal axis of the linear bearing component 52.

In practice, as the print bead 58 moves along the “Y”-axis, pin 70 is moved along with it. “U”-channel 74, which is attached to plate 64, also moves along the “Y”-axis on the linear bearing track 76. The cable carrier 56 is rotated and also effectively moves along the cable carrier support 60 in parallel with the print head 58.

The two components of the print head protecting apparatus 50 (linear bearing component 52 and pin connection component 54) provide protection at two levels. Any vibration or sudden movement of the cable carrier 56 is transferred to the plate 64. At a first level, the linear bearing track 76 of the linear bearing component 52 absorbs at least part of the energy being transferred. Secondly, if there is any continuing vibration, which travels down to pin 70, the receiver 72 allows the pin 70 to vibrate within certain limits without directly affecting the print head itself. In a further embodiment, a rubber or silicone protector may be inserted within receiver 72 to provide yet further absorption of any sundry vibration.

Thus, linear bearing component 52 and pin connection component 54 prevent vibration being transferred from the flexible cable carrier 56 to the print head 58.

The apparatus 50 is described with reference to protecting ink jet printing heads, but, as will be appreciated by those skilled in the a the apparatus is not limited to ink jet printing heads. For example, it will be appreciated by those skilled in the art that the apparatus is also suitable for other fields, besides printing, which require the movement of two devices which need to be connected for movement in parallel while at the same time requiring an isolating of one device from the second.

While certain features of the invention have been illustrated and described herein, many modifications, substitutions, changes, and equivalents will now occur to those of ordinary skill in the art. It is, therefore, to be understood that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.

Claims (8)

What is claimed is:
1. An apparatus comprising;
a print head;
a movable component attached to a flexible cable carrier, said movable component being coupled to said print head; and
an isolating component to isolate uncontrolled movement and vibration of said flexible cable carrier from said at least one print head, wherein said isolating component comprises a linear bearing track attached to a cable carrier support and a generally U-shaped channel attached to maid movable component.
2. The apparatus according to claim 1, wherein said movable component comprises a pin, and wherein a receiver is attached to said print head, said receiver being configured to receive said pin and allow said pin freedom of movement in at least one direction.
3. The apparatus according to claim 2, wherein said receiver comprises a rubber protector.
4. The apparatus according to claim 2, wherein said receiver comprises a silicone protector.
5. The apparatus according to claim 1, wherein said movable component comprises a receiver, and wherein a pin is attached to said print head, said receiver being configured to receive said pin and allow said pin freedom of movement in at least one direction.
6. The apparatus according to claim 5, wherein said receiver comprises a rubber protector.
7. The apparatus according to claim 5, wherein said receiver comprises a silicone protector.
8. A method for isolating uncontrolled movement and vibration of a print head from a flexible cable carrier, said method comprising:
attaching a first end of a movable component to said flexible cable carrier;
attaching an isolating component to said movable component;
attaching a pin to a second end of said movable component, said second end being distal from amid first end; and
attaching a receiver to said print head, said receiver being configured to receive said pin and allow said pin freedom of movement in one direction.
US09982985 2000-10-23 2001-10-22 Apparatus and method for protecting printing heads Expired - Fee Related US6726307B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US24214100 true 2000-10-23 2000-10-23
US09982985 US6726307B2 (en) 2000-10-23 2001-10-22 Apparatus and method for protecting printing heads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09982985 US6726307B2 (en) 2000-10-23 2001-10-22 Apparatus and method for protecting printing heads

Publications (2)

Publication Number Publication Date
US20020070996A1 true US20020070996A1 (en) 2002-06-13
US6726307B2 true US6726307B2 (en) 2004-04-27

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US09982985 Expired - Fee Related US6726307B2 (en) 2000-10-23 2001-10-22 Apparatus and method for protecting printing heads

Country Status (4)

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US (1) US6726307B2 (en)
EP (1) EP1333982B1 (en)
DE (1) DE60144193D1 (en)
WO (2) WO2002034524A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3095612A1 (en) 2015-05-05 2016-11-23 OCE-Technologies B.V. Print head mounting structure

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245361A (en) * 1988-12-29 1993-09-14 Canon Kabushiki Kaisha Mountain arrangement for positioning an ink jet recording head with integral ink tank when the head is mounted to a carriage
US5367328A (en) 1993-10-20 1994-11-22 Lasermaster Corporation Automatic ink refill system for disposable ink jet cartridges
US5719608A (en) 1995-05-04 1998-02-17 Calcomp Inc. Constant flow ink delivery system
US6007190A (en) 1994-12-29 1999-12-28 Encad, Inc. Ink supply system for an ink jet printer having large volume ink containers
US6068370A (en) * 1996-08-30 2000-05-30 Hewlett-Packard Company Fluidic delivery system with tubing and manifolding for an off-axis printing system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566814A (en) 1983-04-06 1986-01-28 Standard Precision, Inc. Print head carriage assembly
EP0263869B1 (en) * 1986-04-07 1990-08-22 Ncr Corporation Print head carrier
ES2048024B1 (en) * 1990-04-25 1995-02-16 Fujitsu Ltd Printing apparatus provided with adjustment device of the head interval.
JPH04216971A (en) * 1990-12-17 1992-08-07 Oki Electric Ind Co Ltd Recording device
JPH08156353A (en) * 1994-10-07 1996-06-18 Canon Inc Printing apparatus
JP3841315B2 (en) * 1995-12-26 2006-11-01 キヤノン株式会社 Printing method used in the printing apparatus and the apparatus
KR100230318B1 (en) * 1997-07-30 1999-11-15 윤종용 Pressure controlling apparatus for laser printer

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245361A (en) * 1988-12-29 1993-09-14 Canon Kabushiki Kaisha Mountain arrangement for positioning an ink jet recording head with integral ink tank when the head is mounted to a carriage
US5367328A (en) 1993-10-20 1994-11-22 Lasermaster Corporation Automatic ink refill system for disposable ink jet cartridges
US6007190A (en) 1994-12-29 1999-12-28 Encad, Inc. Ink supply system for an ink jet printer having large volume ink containers
US5719608A (en) 1995-05-04 1998-02-17 Calcomp Inc. Constant flow ink delivery system
US6068370A (en) * 1996-08-30 2000-05-30 Hewlett-Packard Company Fluidic delivery system with tubing and manifolding for an off-axis printing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3095612A1 (en) 2015-05-05 2016-11-23 OCE-Technologies B.V. Print head mounting structure
US9610791B2 (en) 2015-05-05 2017-04-04 Océ-Technologies B.V. Print head mounting structure

Also Published As

Publication number Publication date Type
DE60144193D1 (en) 2011-04-21 grant
EP1333982B1 (en) 2011-03-09 grant
EP1333982A2 (en) 2003-08-13 application
WO2002034543A2 (en) 2002-05-02 application
WO2002034524A3 (en) 2002-07-04 application
EP1333982A4 (en) 2005-06-15 application
WO2002034524A2 (en) 2002-05-02 application
US20020070996A1 (en) 2002-06-13 application
WO2002034543A3 (en) 2002-09-06 application

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Legal Events

Date Code Title Description
AS Assignment

Owner name: APRION DIGITAL LTD., ISRAEL

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FEINER, DAVID;REEL/FRAME:012486/0333

Effective date: 20011118

AS Assignment

Owner name: HEWLETT PACKARD INDUSTRIAL PRINTING LTD., ISRAEL

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SCITEX VISION LTD.;REEL/FRAME:017154/0698

Effective date: 20051101

Owner name: SCITEX VISION LTD., ISRAEL

Free format text: CHANGE OF NAME;ASSIGNOR:APRION DIGITAL LTD.;REEL/FRAME:017154/0767

Effective date: 20040216

FPAY Fee payment

Year of fee payment: 4

REMI Maintenance fee reminder mailed
FPAY Fee payment

Year of fee payment: 8

REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
FP Expired due to failure to pay maintenance fee

Effective date: 20160427